[Cfp-interest 2910] Re: Accuracy of Mathematical Functions

[Paul Zimmermann]

       Hi Damian,

> Date: Wed, 11 Oct 2023 12:34:00 +1100 (AEDT)
> From: Damian McGuckin <damianm at esi.com.au>
> cc: cfp-interest at ucbtest.org, vincenzo.innocente at cern.ch, riemannic at gmail.com
> 
> On Thu, 21 Sep 2023, Paul Zimmermann wrote:
> 
> > https://members.loria.fr/PZimmermann/papers/accuracy.pdf
> 
> > This is a new version with updated versions of the different libraries and:
> 
> Impressive/Enlightening work by the authors (including yourself). Very 
> useful.

thank you!

> It would be interesting to show/see in the tables which single precision 
> routines are coded internally with either some double precision arithmetic 
> and/or use a double precision kernel.

this would be difficult to know for proprietary libraries, where the source
code is not available.

> Whether that serves your aims is another thing. And I agree, it is a lot 
> more effort. But it is insightfull, especially for an audiences such as 
> those who do not have the luxury of double precision such as some signal 
> processing chips, those with other (often self-imposed) limitations, or 
> those who use such code as a learning/teaching tool.

if you want to contribute such information, we can give you access to the git
repository we use, and of course you will be co-author of the next update.

Best regards,
Paul